ales Package : Keyboard Brand : Intex Model : Corona RB USB Type : External Keyboard Color : Black and Red Interface : USB Total Keys : 104 Os Supported : Windows XP, Windows Vista, Windows 7, Windows 8 Multimedia Keys : No Adjustible Tilt : Yes Spill-resistance : Yes Rated Working Voltage : 5V Key Life : 3 - 5 millions Life Cycle Weight : 400 grams Dimensions ( L X W X D)(in Mm) : 458*205*40MM Design Style : Ergonomic Depth : 175mm Width : 465mm Height : 30mm Temperature (Approximate): 0 & deg + 55 & deg C